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Progress of the ITER central solenoid model coil programme

H. Tsuji, K. Okuno, R. Thome, E. Salpietro, S. Egorov, N. Martovetsky, M. Ricci, R. Zanino, G. Zahn, A. Martinez2001年被引用 57Nuclear FusionIF 3出版社

The world's largest pulsed superconducting coil was successfully tested by charging up to 13 T and 46 kA with a stored energy of 640 MJ. The ITER central solenoid (CS) model coil and CS insert coil weredeveloped and fabricated through an international collaboration, and their cooldown and charging tests weresuccessfully carried out by international test and operation teams. In pulsed charging tests, where the originalgoal was 0.4 T/s up to 13 T, the CS model coil and the CS insert coil achieved ramp rates to 13 T of 0.6 T/s and 1.2 T/s, respectively. In addition, the CS insert coil was charged and discharged 10 003 times in the 13 T background field of the CS model coil and no degradation of the operational temperature margin directlycoming from this cyclic operation was observed. These test results fulfilled all the goals of CS model coildevelopment by confirming the validity of the engineering design and demonstrating that the ITER coils can now be constructed with confidence.

日本語訳

世界最大のパルス超伝導コイルは、13 T、46 kAまで充電され、640 MJの蓄積エネルギーを達成して、試験に成功した。ITER中心ソレノイド(CS)モデルコイルおよびCSインサートコイルは、国際協力により開発・製作され、その冷却試験および充電試験は、国際的な試験・運転チームによって成功裏に実施された。パルス充電試験において、当初の目標は13 Tまで0.4 T/sの充電速度であったが、CSモデルコイルは13 Tまで0.6 T/s、CSインサートコイルは13 Tまで1.2 T/sの充電速度を達成した。さらに、CSインサートコイルは、CSモデルコイルの13 T背景磁場中で10,003回の充放電を実施したが、この繰り返し運転に直接起因する運転温度マージンの劣化は観測されなかった。これらの試験結果は、CSモデルコイル開発のすべての目標を達成し、設計の妥当性を確認するとともに、ITERコイルを自信を持って建設できることを実証した。

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